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Bmw 550I Side Repeater Light Assemblys

Bmw 550I Side repeater light assemblys

Side repeater light assemblies for the Bmw 550I start at $18.95, with 2 options in stock from TYC. These small amber lights mounted on the front fenders or door mirrors signal lane changes and turns to drivers alongside the vehicle. When one fails, other drivers lose a key visibility cue, creating a safety hazard and triggering a fix-it ticket in most states.

Signs your Bmw 550I needs a new side repeater light assembly

  • The side repeater on the fender or mirror housing is dark during turn signal activation
  • Turn signal indicator on the dashboard flashes faster than normal (hyper-flash), indicating an open circuit from a dead repeater bulb or broken assembly
  • Visible physical damage — cracked, yellowed, or shattered lens on the repeater housing
  • Moisture or condensation trapped inside the repeater lens, causing intermittent or dim output
  • Repeater flickers erratically rather than blinking at a steady rate, pointing to a failing socket or corroded connector
  • Adjacent drivers or a technician flag that the side-facing turn signal on your Bmw 550I is not illuminating at all

Which side repeater light assembly should you buy for your Bmw 550I?

The main decision is whether to match OEM fit and finish or upgrade to LED output, and whether you need the driver side, passenger side, or both. Some assemblies are sold as complete plug-and-play units with the socket and bulb included; others supply the lens housing only. Confirm the mounting location — fender-mounted and mirror-mounted repeaters are not interchangeable on the same vehicle.

OEM-replacement (halogen)
Best for
Owners who want exact factory match in appearance and function
What you get
Direct-fit housing with correct lens color, OEM-style socket, and incandescent bulb; no wiring changes needed
LED upgrade assembly
Best for
Drivers who want brighter, faster-illuminating output and longer service life
What you get
Pre-wired LED board inside a factory-contour housing; may require a load resistor to prevent hyper-flash on older vehicles
Clear lens / smoked lens
Best for
Appearance-focused owners building a custom look
What you get
Same bulb and socket as OEM but with a tinted or clear outer lens; verify the amber color requirement in your state before choosing clear
Pair (driver + passenger)
Best for
Vehicles with matching wear or damage on both sides, or high-mileage replacements
What you get
Both assemblies at once for a consistent color match and one installation session; usually offered at a lower per-unit cost than two singles

Side repeater light assemblys brands we stock for your Bmw 550I

TYC
2 options · from $18.95

Replacing side repeater light assemblies on a Bmw 550I

Easy⏱ 15–45 minutesFlathead screwdriver or plastic trim pry toolPhillips or Torx screwdriver (varies by mount type)Needle-nose pliers (for stubborn socket clips)Dielectric grease (for connector protection)

Most side repeater assemblies on the Bmw 550I are retained by one or two screws or simply clip into a fender or mirror cutout, making removal straightforward with basic hand tools and no lifting required. Disconnect the wiring harness connector, swap the assembly, reconnect the plug, and apply a small amount of dielectric grease to the connector to prevent corrosion. Activate the turn signal before closing up to confirm the new unit is working correctly.

Frequently asked questions

How much does it cost to replace side repeater light assemblies on a Bmw 550I?
Parts start at $18.95 for a single assembly on the Bmw 550I. DIY replacement typically adds no labor cost and takes under 30 minutes. Shop labor, if needed, is usually billed at less than one hour. Choosing an LED unit costs more upfront but avoids frequent bulb replacements over time.
Is it legal to drive my Bmw 550I with a side repeater light not working?
In most U.S. states and Canadian provinces, a non-functioning side repeater light is a citable equipment violation. If your Bmw 550I came with side repeaters from the factory, all required lighting must be operational. Police can issue a fix-it ticket, and the repair must be verified before the citation is cleared.
Can I replace just the bulb instead of the full side repeater assembly on my Bmw 550I?
If the housing and lens are undamaged and the socket is intact, replacing only the bulb is the cheaper fix and takes just minutes. However, if the lens is cracked, the socket is corroded, or moisture has entered the assembly, the entire unit should be replaced to restore a proper weather seal and reliable contact.
Will upgrading to LED side repeaters on my Bmw 550I cause hyper-flash?
It can. LED bulbs draw far less current than halogen bulbs, so the turn signal flasher module may interpret the lower load as a burned-out bulb and flash rapidly. The fix is to install an inline load resistor or replace the flasher relay with an LED-compatible unit — a straightforward additional step when upgrading.
Are side repeater light assemblies on the Bmw 550I fender-mounted or mirror-mounted?
It depends on the specific generation of your Bmw 550I. Earlier models typically mount the repeater on the front fender just behind the wheel arch. Later models often integrate the repeater into the side mirror housing. Check your existing assembly location before ordering, as fender and mirror units use different mounting tabs, connectors, and lens profiles.
How long does a replacement side repeater assembly typically last on a Bmw 550I?
A quality OEM-style replacement with a halogen bulb generally lasts several years under normal use, though road debris, UV exposure, and moisture intrusion can shorten lens life. LED assemblies tend to outlast halogen units significantly because LEDs are solid-state with no filament to break. Keeping the mounting seal intact is the biggest factor in long service life.

Shop side repeater light assemblys by year for the Bmw 550I

20102009200820072006

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Side repeater light assemblys for other Bmw models

Bmw 535iBmw 135isBmw 335isBmw 325iBmw 335xiBmw 545i